no website on file — from open-source research, nothing to check against
Pu'er factory in Mengku (Lincang); specializing in Iceland, Xigui, and Daxueshan raw materials, pure materials from small mountains.
website not found; 30-year history, verified by industry reviews
The source export carried a verification date of 2026-08-16 — later than today, so the check could not have happened. The mark was removed; the original value is kept in the data.